Home / 228,932.48-315,913.92-133,454.72

Finding the Fourth Proportional to 228,932.48, 315,913.92 and 133,454.72

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Solution

The fourth proportional to 228,932.48, 315,913.92 and 133,454.72 is: 184,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,932.48 : 315,913.92 = 133,454.72 : x
  2. Step 2: Convert to fraction form
    228,932.48/315,913.92 = 133,454.72/x
  3. Step 3: Cross multiply
    228,932.48x = 315,913.92 × 133,454.72
  4. Step 4: Simplify right side
    228,932.48x = 42,160,203,737.70
  5. Step 5: Solve for x
    x = 42,160,203,737.70/228,932.48
  6. Step 6: Final answer
    x = 184,159.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.